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Delphi SS21590 ABS Wheel Speed Sensor - Rear Left
| Brand | Delphi SS21590 |
|---|---|
| Position | Rear Left |
| Wiring Harness Length | 725 |
| Connector Color | Black |
| Terminal Type | Pin |
| Mounting Hardware Included | No |
| Connector Quantity | 2 |
| Connector Shape | Rectangle |
| Terminal Quantity | 2 |
| Connector Gender | Male |
| Terminal Gender | Male |
| Wiring Harness Included | No |
| Package Contents | Abs wheel speed sensor, instruction sheet |
| Fits | Ford and Lincoln · 8 vehicles |
OE-standard calibration. Delivers accurate readings and helps reduce comebacks.
ABS wheel speed sensor. Monitors wheel speed for reliable braking system input.
Rectangle connector. Features a black male connector with pin terminals.
Cross-references Standard Ignition ALS3323, 5S17572 and 533694 for the same application. See all 5.
Delphi Rear Left ABS Wheel Speed Sensor
The Delphi SS21590 ABS wheel speed sensor is built for precise rear wheel speed monitoring on select Ford and Lincoln applications. It is a direct-fit replacement for the rear left position on the 2020-2023 Ford Explorer and 2020-2023 Lincoln Aviator.
Key Features
- ABS wheel speed sensor for the rear left position
- OE-calibrated and tested to support accurate wheel speed readings
- Black connector with rectangular shape
- Male connector and male terminal design
- 2 connector and 2 terminal configuration
- Wiring harness length: 725
- Package contents: ABS wheel speed sensor and instruction sheet
- Part number: SS21590
Detailed Description
Delphi SS21590 is an ABS wheel speed sensor engineered for rear left fitment on the 2020-2023 Ford Explorer and 2020-2023 Lincoln Aviator. Delphi validates its sensors to OE standards, helping ensure consistent signal output for the ABS system, traction control, and stability-related functions. If you are replacing a faulty rear left ABS sensor on a Ford Explorer or Lincoln Aviator, this part number provides a direct replacement path with the correct connector and terminal layout.
This part cross-references Standard Ignition ALS3323 for the same application.
What It Helps Address
- ABS warning light caused by a failing rear wheel speed sensor
- Erratic or missing wheel speed signal data
- Traction control or stability system faults tied to rear left sensor input
- Brake system diagnostic trouble codes related to wheel speed monitoring
- Intermittent sensor communication from damaged connector or internal sensor wear
Installation Notes and Tips
Verify rear left position before installation and compare the connector, terminal count, and harness length to the original sensor. Inspect the wheel hub area, tone ring, and wiring path for damage or corrosion before installing the new SS21590. After replacement, clear any stored ABS codes and confirm proper system operation with a scan tool.
Quality Assurance
Delphi backs this sensor with OE-focused development and product validation methods. Each sensor is tested and calibrated to OE standards to support accurate readings and reduce repeat repairs.
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2023 | Ford | Explorer | Platinum Hybrid | 3.3L | V6 | Rear Left | — |
| 2023 | Lincoln | Aviator | Reserve | 3.0L | V6 | Rear Left | — |
| 2022 | Ford | Explorer | Platinum Hybrid | 3.3L | V6 | Rear Left | — |
| 2022 | Lincoln | Aviator | Reserve | 3.0L | V6 | Rear Left | — |
| 2021 | Ford | Explorer | Platinum Hybrid | 3.3L | V6 | Rear Left | — |
| 2021 | Lincoln | Aviator | Reserve | 3.0L | V6 | Rear Left | — |
| 2020 | Ford | Explorer | Limited Hybrid | 3.3L | V6 | Rear Left | — |
| 2020 | Lincoln | Aviator | Reserve | 3.0L | V6 | Rear Left | — |
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